Add day 8

1 files changed, 25 insertions, 0 deletions

diff --git a/08/a.rb b/08/a.rb
new file mode 100644
index 0000000..60122eb
--- /dev/null
+++ b/08/a.rb
@@ -0,0 +1,25 @@
+code = []
+
+File.readlines('input.txt').each do |line|
+  instruction, number = line.split
+  code.push [instruction, number.to_i]
+end
+
+visited = {}
+current_line = 0
+acc = 0
+
+while !visited[current_line]
+  visited[current_line] = true
+  case code[current_line][0]
+  when 'nop'
+    current_line += 1
+  when 'acc'
+    acc += code[current_line][1]
+    current_line += 1
+  when 'jmp'
+    current_line += code[current_line][1]
+  end
+end
+
+puts acc